Movies Like Aliens of the Deep Sea

If you liked Aliens of the Deep Sea (2010), a documentary movie, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
My Octopus Teacher (2020)
★ 7.9/10Also documentary
After years of swimming every day in the freezing ocean at the tip of Africa, Craig Foster meets an unlikely teacher: a young octopus who displays remarkable curiosity. Visiting her den and tracking her movements for…
2
Ex Libris: The New York Public Library (2017)
★ 6.4/10Also documentary
A documentary about how a dominant cultural and demographic institution both sustains their traditional activities and adapts to the digital revolution.
3
McQueen (2018)
★ 7.4/10Also documentary
Alexander McQueen's rags-to-riches story is a modern-day fairy tale, laced with the gothic. Mirroring the savage beauty, boldness and vivacity of his design, this documentary is an intimate revelation of McQueen's own…
4
Come See Me in the Good Light (2025)
★ 7.1/10Also documentary
In an intimate and joyful story of love in the face of loss, celebrated poets Andrea Gibson and Megan Falley find strength—and unexpected hilarity—in what might be their final year together.
5
Avatar: The Deep Dive - A Special Edition of 20/20 (2022)
★ 7.2/10Also documentary
An inside look at one of the most anticipated movie sequels ever with James Cameron and cast.
6
Western Stars (2019)
★ 7/10Also documentary
The incomparable Bruce Springsteen performs his critically acclaimed latest album and muses on life, rock, and the American dream, in this intimate and personal concert film co-directed by Thom Zimny and Springsteen…
7
Capital in the Twenty-First Century (2019)
★ 6.5/10Also documentary
Film adaptation of French economist Thomas Piketty's ground-breaking global bestseller of the same name: an eye-opening journey through wealth and power.
8
Making Squid Game: The Challenge (2023)
★ 8/10Also documentary
Go behind the scenes and witness how the "Squid Game"-inspired reality show transformed from a scripted drama to a cutthroat, nail-biting competition.
9
21 Up (1977)
★ 7.4/10Also documentary
After another 7 year wait, director Michael Apted revisits the same group of British-born children from Seven Up! and 7 Plus Seven. The subjects are interviewed as to the changes that have occurred in their lives…
10
Unknown Number: The High School Catfish (2025)
★ 6.7/10Also documentary
Vulgar, taunting texts blow up the phones of a teen and her boyfriend. Who's sending them — and why? This twisty documentary reveals the shocking answer.
11
The Curse of the Dragon (1993)
★ 7.2/10Also documentary
A 1993 documentary film about Bruce Lee. The film includes interviews from some of his fellow students and opponents who worked alongside him in his movies.
12
A Toxic Love Story (2026)
★ 6.4/10Also documentary
A string of threatening emails escalates into a revenge plot involving a newly married US marshal and his ex-girlfriend.
13
Looking for Richard (1996)
★ 6.8/10Also documentary
Al Pacino's deeply-felt rumination on Shakespeare's significance and relevance to the modern world through interviews and an in-depth analysis of "Richard III."
14
Above Majestic (2018)
★ 7.4/10Also documentary
A look at the origins, history and conspiracies behind the "Majestic 12", a clandestine group of military and corporate figureheads charged with reverse-engineering extraterrestrial technology.
15
My Mom Jayne (2025)
★ 8/10Also documentary
Through deeply personal interviews with her siblings and an examination of the photographs, letters, and belongings left behind, Mariska assembles a new portrait of her mother Jayne Mansfield, an extraordinary and…
16
The Class of ‘92 (2013)
★ 7.1/10Also documentary
A detailing of the rise to prominence and global sporting superstardom of six supremely talented young Manchester United football players (David Beckham, Nicky Butt, Ryan Giggs, Paul Scholes, Phil and Gary Neville)…
17
Sidney (2022)
★ 6.9/10Also documentary
This revealing documentary honors the legendary Sidney Poitier—iconic actor, filmmaker, and civil rights activist. Featuring interviews with Denzel Washington, Spike Lee, Halle Berry, and more.
18
Unknown: Cave of Bones (2023)
★ 7.1/10Also documentary
Scientists examine underground clues from over 250,000 years ago that raise questions about our early relatives — and what it truly means to be human.
19
Dolphin Reef (2018)
★ 6.8/10Also documentary
Echo is a youngster who can't quite decide if it's time to grow up and take on new responsibilities-or give in to her silly side and just have fun. Dolphin society is tricky, and the coral reef that Echo and his family…
20
Dawg Fight (2015)
★ 6.4/10Also documentary
In a crime-plagued neighborhood near Miami, brutal, bare-knuckled backyard fights give young men a chance to earn money -- and self-respect.